Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442663 | Cage lighting device for elevator and installation method therefor | Hisashi Okabe, Taiji Sawaki, Toshihisa Ogura | 2019-10-15 |
| 10294078 | Elevator car compartment and assembly method for same | Taiji Sawaki, Hisashi Okabe | 2019-05-21 |